5557281 has 4 divisors (see below), whose sum is σ = 7409712. Its totient is φ = 3704852.

The previous prime is 5557267. The next prime is 5557297. The reversal of 5557281 is 1827555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5557281 - 2⁹ = 5556769 is a prime.

It is a super-2 number, since 2×5557281² = 61766744225922, which contains 22 as substring.

It is a D-number.

5557281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5557231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926211 + ... + 926216.

It is an arithmetic number, because the mean of its divisors is an integer number (1852428).

Almost surely, 2^5557281 is an apocalyptic number.

It is an amenable number.

5557281 is a deficient number, since it is larger than the sum of its proper divisors (1852431).

5557281 is a wasteful number, since it uses less digits than its factorization.

5557281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852430.

The product of its digits is 14000, while the sum is 33.

The square root of 5557281 is about 2357.3885975800. The cubic root of 5557281 is about 177.1280952158.

The spelling of 5557281 in words is "five million, five hundred fifty-seven thousand, two hundred eighty-one".